Re: some ideas for Haskell', from Python

On 2009 Jan 15, at 5:55, Manlio Perillo wrote:
> Brandon S. Allbery KF8NH ha scritto:
> >
> > [... about Python import local to functions ...]
>>> Sometime they are necessary, to avoid circular import problems  
>>> (but this not a problem with Haskell).
>> ...in theory. In practice GHC needs help with circular imports, and  
>> some cycles might be impossible to resolve.
>
> This is interesting.
> Where can I find some examples?

http://www.haskell.org/ghc/docs/latest/html/users_guide/separate-compilation.html#mutual-recursion
The "impossible to resolve" is my interpretation of a discussion on  
the lists several months ago.

I don't see any mention in RWH offhand.

--

-- 
brandon s. allbery [solaris,freebsd,perl,pugs,haskell] allbery <at> kf8nh.com
system administrator [openafs,heimdal,too many hats] allbery <at> ece.cmu.edu
electrical and computer engineering, carnegie mellon university    KF8NH